Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757706AbcDGUkm (ORCPT ); Thu, 7 Apr 2016 16:40:42 -0400 Received: from mga03.intel.com ([134.134.136.65]:17626 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757507AbcDGUhV (ORCPT ); Thu, 7 Apr 2016 16:37:21 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.24,449,1455004800"; d="scan'208";a="950401800" From: Andy Shevchenko To: Vinod Koul , linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org, Greg Kroah-Hartman , ismo.puustinen@intel.com, Heikki Krogerus , linux-serial@vger.kernel.org Cc: Andy Shevchenko Subject: [PATCH v1 02/12] dmaengine: dw: provide probe(), remove() stubs for users Date: Thu, 7 Apr 2016 23:37:03 +0300 Message-Id: <1460061433-63750-3-git-send-email-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.8.0.rc3 In-Reply-To: <1460061433-63750-1-git-send-email-andriy.shevchenko@linux.intel.com> References: <1460061433-63750-1-git-send-email-andriy.shevchenko@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 916 Lines: 29 Some users consider DMA optional, thus when driver is not compiled we shouldn't prevent compilation of the users. Add stubs for dw_dma_probe() and dw_dma_remove(). Signed-off-by: Andy Shevchenko --- include/linux/dma/dw.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/linux/dma/dw.h b/include/linux/dma/dw.h index f2e538a..ccfd0c3 100644 --- a/include/linux/dma/dw.h +++ b/include/linux/dma/dw.h @@ -40,8 +40,13 @@ struct dw_dma_chip { }; /* Export to the platform drivers */ +#if IS_ENABLED(CONFIG_DW_DMAC_CORE) int dw_dma_probe(struct dw_dma_chip *chip); int dw_dma_remove(struct dw_dma_chip *chip); +#else +static inline int dw_dma_probe(struct dw_dma_chip *chip) { return -ENODEV; } +static inline int dw_dma_remove(struct dw_dma_chip *chip) { return 0; } +#endif /* CONFIG_DW_DMAC_CORE */ /* DMA API extensions */ struct dw_desc; -- 2.8.0.rc3